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4/21/2011 9:32:41 PM EDT
My buddy just bought a new RRA m4gery. He bought a Knights m4 rail, only to find out that he has a heavy profile barrel and it won't fit. What are some good equivalents that will fit the heavy barrel? He has a standard carbine gas system and it doesn't need to be free floated. Thanks In Advance!
4/21/2011 9:38:12 PM EDT
[#1]
Not sure of price range but I really like the Spike's BAR free-float I use on my BCM 16" SS410...About $210 or so after ARFCOM discount...

ETA:  For the 12" that is
4/21/2011 9:41:58 PM EDT
[#2]
He only wants the regular carbine length for use with his standard fsp, but I agree the spikes is nice.
4/22/2011 5:52:54 AM EDT
[#3]
The DD EZ CAR will fit over a HBAR profile. Note that these rails are a little wide. For about $50 more dollars, he could find a nice set of DD Omega 7 on the EE, which will free-float the barrel and be lower profile.

Pretty much most drop-ins should fit (e.g., Troy, YHM, GG&G, MI). Do a search, and see which one fits your criteria in terms of price and appearance. They should all, for the most part, function the same.
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